Did you change the USB connection type from charging only to File Transfer?
I'm most definitely NOT a VZW employee. If a post answered your question, please mark it as the answer.
I understand the importance of being able to retain all of your device content and media. I would to help.
Here’s a link with step-by-step instructions for moving pictures and videos from your Google Pixel 2 XL device to your computer: http://spr.ly/6586D0DNK. Please let us know how that works out for you.
Follow us on TWITTER @VZWSupport
If my response answered your question please click the _Correct Answer_ button under my response. This ensures others can benefit from our conversation. Thanks in advance for your help with this!!